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Date: Tue, 10 Nov 2009 15:38:00 -0800
Message-ID: <e763acc10911101538q781643a0u6a79bafcd3e4f183@mail.gmail.com>
From: Roman Shaposhnik <roman@shaposhnik.org>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
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Subject: Re: [9fans] dtrace for plan 9
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On Tue, Nov 10, 2009 at 12:21 PM,  <dave.l@mac.com> wrote:
> On 10 Nov 2009, at 01:00, Roman Shaposhnik wrote:
>>
>> What exactly do you want to know? I worked with DTrace quite extensively.
>
> What is the upper bound on the runtime of a single D bytecode sequence?
>
> Or to put it another way, what's the longest time delay that DTrace&co can
> cause in your kernel?

Would this answer your question:
   http://blogs.sun.com/jonh/entry/the_dtrace_deadman_mechanism

Or are you literally trying to figure out the upper bound on the # of
virtual instructions
in a single probe?

Thanks,
Roman.